Source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/unslothai/unsloth
Markdown source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/unslothai/unsloth.md
Description: ColossalAI and unsloth share 27 technologies: FastAPI, uvicorn, Hugging Face, anyio, matplotlib, Rich, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, peft, diffusers, datasets, timm, safetensors, einops, accelerate, sentencepiece, tokenizers, jinja2, markdown-it-py, mdurl, pillow, Pydantic, and psutil. Both are written in Python.

# ColossalAI vs unsloth

ColossalAI and unsloth share 27 technologies: FastAPI, uvicorn, Hugging Face, anyio, matplotlib, Rich, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, peft, diffusers, datasets, timm, safetensors, einops, accelerate, sentencepiece, tokenizers, jinja2, markdown-it-py, mdurl, pillow, Pydantic, and psutil. Both are written in Python.

- [hpcaitech/ColossalAI](https://seerepo.com/r/hpcaitech/ColossalAI): Making large AI models cheaper, faster and more accessible
- [unslothai/unsloth](https://seerepo.com/r/unslothai/unsloth): Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4.1, MiniMax-H3, Gemma 4, FLUX and more.

## What they share and what sets them apart

- In common: FastAPI, uvicorn, Hugging Face, anyio, matplotlib, Rich, OpenAI, scikit-learn, sentence-transformers, tiktoken, torch, transformers, peft, diffusers, datasets, timm, safetensors, einops, accelerate, sentencepiece, tokenizers, jinja2, markdown-it-py, mdurl, pillow, Pydantic, psutil
- Only in ColossalAI: chromadb, Ray, Gradio, seaborn, SQLAlchemy, ModelScope, LangChain, triton, flash-attn, bitsandbytes, vLLM, galore-torch, math-verify, torchaudio, torchvision, markupsafe, pypdf, unstructured, jsonlines, annotated-types, pydantic-core
- Only in unsloth: React, Tauri, Tokio, objc2-foundation, objc2-app-kit, fastmcp, TanStack, Vite, dexie, @tauri-apps/api, @assistant-ui/core, pyjwt, cryptography, @assistant-ui/react, librosa, av, structlog, gtk, tauri-plugin-dialog, webkit2gtk, webview2-com, objc2-web-kit, tauri-plugin-window-state, tauri-plugin-notification, hmac, openai-whisper, spandrel, pymupdf, lxml, pymupdf4llm, python-docx, loguru, log, simplelog, class-variance-authority, Tailwind CSS, PostCSS, @tailwindcss/vite, postcss-selector-parser, tailwind-merge, Radix UI, xyflow, motion, sonner, @streamdown/code, recharts, cmdk, canvas-confetti, react-day-picker, react-resizable-panels, @dagrejs/dagre, @tauri-apps/plugin-notification, Base UI, hugeicons, Lucide, streamdown, mdast-util-from-markdown, mdast-util-gfm, mdast-util-math, micromark-extension-gfm, micromark-extension-math, unified, katex, remend, js-yaml, mammoth, react-pdf, react-qr-code, marked, micromark-util-types, unpdf, @tauri-apps/plugin-process

## Side by side

| | ColossalAI | unsloth |
|---|---|---|
| Size | 317,403 lines written, 974 code files | 3,889,108 lines written, 3,532 code files |
| Who writes it | 0.3% of its commits signed by AI. With Codex and Claude Code | 1% of its commits signed by AI. With Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot |
| Activity | Last push November 6, 2026, 3,887 commits, 41,430 stars | Last push November 4, 2026, 12,770 commits, 79,050 stars |
| Tests | 505 test files. 1.1% of its code files have a test that imports them | 5,718 test files. 60.3% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, ColossalAI or unsloth?

unsloth, with 3,889,108 lines written; ColossalAI has 317,403.

The proof: [unslothai/unsloth's code at commit a1e340b](https://github.com/unslothai/unsloth/tree/a1e340be0f78b5fa6d2538f6ad65bbc1837f83fd)

### Which has more GitHub stars, ColossalAI or unsloth?

unsloth, with 79,050 stars; ColossalAI has 41,430.

The proof: [unslothai/unsloth on GitHub](https://github.com/unslothai/unsloth)

### Which has more tests, ColossalAI or unsloth?

unsloth, with 5,718 test files; ColossalAI has 505.

The proof: [unslothai/unsloth's code at commit a1e340b](https://github.com/unslothai/unsloth/tree/a1e340be0f78b5fa6d2538f6ad65bbc1837f83fd)

### Which was updated more recently, ColossalAI or unsloth?

ColossalAI: its last push was on November 6, 2026, and unsloth's on November 4, 2026.

The proof: [hpcaitech/ColossalAI's commits on GitHub](https://github.com/hpcaitech/ColossalAI/commits)

### Which has more commits signed by AI, ColossalAI or unsloth?

unsloth: an AI signed 1% of its commits, with Claude Code, Gemini CLI, Cursor, Codex, and GitHub Copilot; in ColossalAI, 0.3%.

The proof: [the commits each tool signed in unslothai/unsloth](https://seerepo.com/r/unslothai/unsloth/ai)

## Sources

- hpcaitech/ColossalAI: Read on November 6, 2026, at commit da8f5c2 (https://github.com/hpcaitech/ColossalAI/tree/da8f5c2dd56f97d3d23d3d222b114e1a3d4710f5)
- unslothai/unsloth: Read on November 4, 2026, at commit a1e340b (https://github.com/unslothai/unsloth/tree/a1e340be0f78b5fa6d2538f6ad65bbc1837f83fd)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.